Put a diode in series, .7 volts drop,remember? ----- Original Message ----- From: Mathew Quaife <[EMAIL PROTECTED]> To: <[email protected]> Sent: Tuesday, March 30, 2004 12:07 PM Subject: Re: [Repeater-Builder] WTB: 440 Mhz Receiver with COR
> The voltage at the tap point is about 7 volts, when keyed it drops to about > .5 volts, just not enough to get it to key the controller. I looked for > other sources in the radio, nothing would drop to zero volts. > > Mathew > > ----- Original Message ----- > From: "Ken Arck" <[EMAIL PROTECTED]> > To: <[email protected]> > Sent: Tuesday, March 30, 2004 7:44 AM > Subject: Re: [Repeater-Builder] WTB: 440 Mhz Receiver with COR > > > > At 06:10 AM 3/30/2004 -0800, you wrote: > > >The receiver that is on the 440 machine is a Uniden > > >radio, for which we pulled the de-emphasized audio from. Then we used a > > >COR, which actually is nothing more than a voltage drop. > > > > <---Well Mathew. It doesn't sound like you need a new receiver. That would > > be like throwing the baby out with the bathwater, no? > > > > It sounds like all you need to do is to get a decent COS signal from the > > Uniden you're using. That shouldn't be a huge deal. What are the levels > > you're seeing from the current "tap point"? It shouldn't take more than a > > couple of resistors and a transistor to get a "clean" source. > > > > Ken > > -------------------------------------------------------------------------- > ---- > > President and CTO - Arcom Communications > > Makers of state-of-the-art repeater controllers and accessories. > > http://www.ah6le.net/arcom/index.html > > AH6LE/R - IRLP Node 3000 > > http://www.irlp.net > > > > > > > > > > > > Yahoo! Groups Links > > > > > > > > > > > > > > > > > Yahoo! Groups Links > > > > > Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/Repeater-Builder/ <*> To unsubscribe from this group, send an email to: [EMAIL PROTECTED] <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/
